Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 327,000	$ 599,000
Adjustments to reconcile net income to net cash provided from (used in) operating activities:
Depreciation and amortization	614,000	794,000
Provision for bad debts - accounts receivable	19,000	28,000
Share-based compensation expense	675,000	788,000
Deferred income tax benefit	(303,000)	(301,000)
Gain on sales of property, plant and equipment	(1,000)
Changes in assets and liabilities:
Accounts receivable - trade	(113,000)	(1,473,000)
Accounts receivable- other	8,000	(736,000)
Inventories	810,000	66,000
Prepaid expenses and other current assets	373,000	(3,509,000)
Other assets	(35,000)	22,000
Accounts payable	(426,000)	569,000
Other current liabilities	(1,729,000)	(1,297,000)
Pension liability	331,000	202,000
Other long-term liabilities	15,000	28,000
Net cash flows provided from (used in) operating activities	565,000	(4,220,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(423,000)	(395,000)
Disposals of property, plant and equipment	1,000	11,000
Acquisition of intangible assets		(2,061,000)
Net cash used in investing activities	(422,000)	(2,445,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	14,120,000	3,320,000
Repayment of long-term debt	(13,600,000)	(3,320,000)
Payment of cash dividends	(812,000)	(807,000)
Proceeds received on exercise of stock options	315,000	367,000
Common stock reacquired and retired	(41,000)	(113,000)
Net cash used in financing activities	(18,000)	(553,000)
Net increase (decrease) in cash and cash equivalents	125,000	(7,218,000)
Cash and cash equivalents balance, beginning of year	2,804,000	9,107,000
Cash and cash equivalents balance, end of period	$ 2,929,000	$ 1,889,000